/**
 * \file Timer.h
 * \brief Timer facilities
 * \author Corey Tabaka
 */

/*
   Copyright 2006 Corey Tabaka

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#include <ktypes.h>

#ifndef __KERNEL_TIMER_H__
#define __KERNEL_TIMER_H__

class Timer {
	protected:
	
	Timer(void);
	~Timer(void);
	
	public:
	
	static void initialize(void);
	
	static uint64 getTicks(void);
	static uint32 getMillis(void);
	static uint64 getMicroTime(void);
	
	static uint32 getFrequency(void);
	
	static uint64 getCpuTicksPerSec(void);
	static uint64 getCpuTicksPerMicro(void);
	static uint64 getCpuTicksPerNano(void);
	
	static void calibrateTimers(void);
};

#endif
